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Lo que queremos es verificar que clone no exponga algo oculto por un montaje que no podamos deshacer. \"No se puede deshacer\" puede ser el resultado de MNT_LOCKED en un hijo, pero tambi\u00e9n puede provenir de la falta de derechos de administrador en los usuarios del espacio de nombres al que pertenece el montaje. clone_private_mnt() comprueba lo primero, pero no lo segundo. Hay varias comprobaciones de CAP_SYS_ADMIN bastante confusas en varios usuarios durante el montaje, especialmente con la nueva API de montaje; tienen diferentes prop\u00f3sitos y, en el caso de clone_private_mnt(), generalmente, aunque no siempre, cubren la comprobaci\u00f3n faltante mencionada anteriormente."}], "id": "CVE-2025-38499", "lastModified": "2026-05-12T13:16:51.637", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-08-11T16:15:30.057", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/36fecd740de2d542d2091d65d36554ee2bcf9c65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/38628ae06e2a37770cd794802a3f1310cf9846e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c28f922c9dcee0e4876a2c095939d77fe7e15116"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d717325b5ecf2a40daca85c61923e17f32306179"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc6a664089f10eab0fb36b6e4f705022210191d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e77078e52fbf018ab986efb3c79065ab35025607"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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{"created": "2025-08-12T07:41:42.380778+00:00", "updated": "2025-08-12T07:41:42.380851+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}